Pelvic Ultrasound Measurements in Normal Girls: Relation to Puberty and Sex Hormone Concentration

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Abstract
Pelvic ultrasonography was performed on 75 normal girls. Values were obtained for uterine length, fundal/cervical ratio (FCR), ovarian volume and sex hormones. The resultant data were grouped according to age and pubertal stage (Tanner). For uterine length, FCR and ovarian volume, the data were positively skewed, and the variance increased with age and pubertal stage (p < 0.001). The uterus underwent a regular increase in size and the corpus gradually became larger than the cervix. Uterine length, right ovary volume, FCR and hormones (serum estradiol, follicle-stimulating hormone and luteinizing hormone) showed a correlation with the Tanner score (p < 0.001). Although the correlations were significant, the best correlation was between pubertal stage and serum estradiol level.

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